#BB3756#BB3756

#BB3756 is a mid, vivid red. Relative luminance 0.140; OKLCH L 54.0% C 0.168 H 11.1°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX#BB3756
RGBrgb(187, 55, 86)
HSLhsl(346, 55%, 47%)
HSVhsv(346, 71%, 73%)
CMYKcmyk(0%, 70.6%, 54%, 26.7%)
CIE-LABlab(44.19, 54.55, 12.77)
CIE-LCHlch(44.19, 56.03, 13.18°)
OKLaboklab(54.04% 0.1652 0.0323)
OKLCHoklch(54.04% 0.168 11.1)
XYZxyz(23.5415, 13.9723, 10.2596)
Luminance0.1397 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#BB3756 #37BB9C
analogous
#BB3798 #BB3756 #BB5A37
triadic
#BB3756 #56BB37 #3756BB
tetradic
#BB3756 #98BB37 #37BB9C #5A37BB
square
#BB3756 #98BB37 #37BB9C #5A37BB
split-complementary
#BB3756 #37BB5A #3798BB
monochromatic
#5C1B2B #8C2940 #BB3756 #D05F7A #DE8EA1

Accessibility & contrast

On white

5.54
#BB3756 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.79
#BB3756 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3756
5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##BB3756#FFFFFF#000000##FFFFFF
##BB37561.005.543.795.54
#FFFFFF5.541.0021.001.00
#0000003.7921.001.0021.00
##FFFFFF5.541.0021.001.00

Color blindness preview

Protanopia (red-blind)
#585756
Deuteranopia (green-blind)
#7A7253
Tritanopia (blue-blind)
#CC1A44
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #bb3756;
/* rgb */ color: rgb(187, 55, 86);
/* oklch */ color: oklch(54.0% 0.168 11.1);
Tailwind
colors: {
  custom: {
    50: '#d67785',
    500: '#bb3756',
    950: '#000000',
  },
}
SCSS
$custom: #bb3756;
$custom-light: #d67785;
$custom-dark: #000000;
JSON
{
  "hex": "#bb3756",
  "rgb": {
    "r": 187,
    "g": 55,
    "b": 86
  },
  "hsl": {
    "h": 345.909,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.54036,
    "c": 0.16833,
    "h": 11.1
  },
  "luminance": 0.13969
}

Semantic roles & 50–950 ramp

primary
#BB3756
secondary
#85C9B9
accent
#DEBB4A
background
#FDF7F8
surface
#FBEEEF
border
#D4C9CA
text
#15090B
muted
#837B7C

Preview Lab

Preview with #BB3756

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#BB3756 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva